Actually, a proper RS232 driver has a guaranteed minimum source impedence, which would eliminate the need for the resistor. However, the resistor is _very_ cheap insurance. Bob Ammerman RAm Systems ----- Original Message ----- From: "PSL" To: Sent: Sunday, June 30, 2002 2:46 AM Subject: Re: [PIC]: Reset PIC using Com Port > Thanks for the infor > ----- Original Message ----- > From: "Joe Farr" > To: > Sent: Sunday, June 30, 2002 2:41 PM > Subject: Re: [PIC]: Reset PIC using Com Port > > > Without a current limiting resistor on the base of the transistor, you stand > a good chance of damaging it or perhaps the gate on the MAX232. Try it with > a 1K resistor. > > > -----Original Message----- > From: PSL [mailto:psln@STARHUB.NET.SG] > Sent: 30 June 2002 07:33 > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: [PIC]: Reset PIC using Com Port > > > Yes > I have use the RTS PIN to reset it > RX and TX Pin are used. > Will it have any problem in power consumption? > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu > > -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu